I also have a CPx that will not power up. Pushing the power button illuminates the "on" LED and the hard drive LED. The three "lock" LEDs light (the leftmost one on briefly) and all these lights stay on for about 5 seconds, then all LEDs go dark. All of this is with the AC supply. I have pulled the battery and the floppy from their bays and get the same result. This unit worked when last turned on, and has been sitting for quite a while with the AC supply plugged in but the laptop was off. Any assistance would be appreciated.

I also have a CPx that will not power up. Pushing the power button illuminates the "on" LED and the hard drive LED. The three "lock" LEDs light (the leftmost one on briefly) and all these lights stay on for about 5 seconds, then all LEDs go dark. All of this is with the AC supply. I have pulled the battery and the floppy from their bays and get the same result. This unit worked when last turned on, and has been sitting for quite a while with the AC supply plugged in but the laptop was off. Any assistance would be appreciated.

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I post before the recovery ..but now I see that this model is out of date and for it you need a windows 98 ..cause not even a windows xp will not run proper ..so what you need is to download an image with windows 98 ...and burn it on a disk and instal it again by booting from disk ..

If the system still works on an external monitor and functions normally otherwise, you might be able teo replace the LCD assy for about $150.

If the system no longer works on external either, then I'd say the system is no longer viable as an item to repair as it will be cheaper to replace it then to repair it. (New laptops start at around $500)